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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 11046000 SANTA MARGARITA R A YSIDORA CA


San Diego County, California
Hydrologic Unit Code 18070302
Latitude  33°18'40", Longitude 117°20'47" NAD27
Drainage area 723  square miles
Gage datum 70.40 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1980-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 53 62 325 139 29 12 5.3 2.3 1.7 8.7 5.2 44
2 42 53 244 84 27 12 5.3 2.3 1.9 5.4 5.4 13
3 65 75 194 67 25 13 5.2 2.3 1.9 3.5 5.1 11
4 93 76 112 57 28 12 5.2 2.2 1.9 3.5 4.6 30
5 108 113 175 86 30 12 4.9 2 2 3.3 4.8 29
6 125 200 181 58 30 11 4.8 2 2 3.4 8.4 22
7 233 145 107 77 25 11 4.7 2.5 2.1 3.7 7 33
8 160 436 87 53 23 11 4.3 2.5 2.3 3.6 6 30
9 199 153 80 42 22 11 4.1 2.1 2.2 3.3 9.3 17
10 424 87 85 146 21 11 3.8 3.1 2.3 3.2 5.6 15
11 492 75 224 91 20 11 3.6 2.7 2.4 3.3 6.2 14
12 129 80 119 64 20 11 3.5 2.7 2.2 3.2 9 15
13 116 123 118 53 29 10 3.4 2.5 2.2 3.1 9.3 41
14 144 411 89 52 26 9.8 3.3 2.2 2.3 3.1 6.6 29
15 196 241 166 73 22 9.2 3.2 2.5 2.4 3.1 6 45
16 671 131 200 44 22 9.7 3.1 2.7 2.4 3.3 6 34
17 275 143 115 40 20 9.5 3.2 3.1 2.6 3.3 6.1 34
18 298 179 155 40 19 8.7 3.3 3.1 2.7 3.1 6 59
19 136 261 138 40 19 8.1 3.1 4 2.9 3.4 7.4 25
20 139 170 100 33 18 7.9 2.8 4.2 3 34 8.7 70
21 233 166 193 34 18 7.6 2.6 47 3.1 37 14 153
22 241 214 143 32 16 7.2 2.5 7.5 3.4 5.1 36 459
23 269 285 164 30 19 7.2 2.4 3.6 3.3 3.9 14 110
24 92 234 132 28 18 6.9 2.5 2.5 3 3.7 9 86
25 93 186 106 28 16 6.9 2.5 2.6 3 3.4 13 69
26 121 198 95 27 15 6.8 2.4 2.6 4 3.5 9.7 73
27 100 156 178 31 15 6.4 2.4 2.4 3.3 56 9 48
28 106 204 101 27 14 6.1 2.3 2 2.5 28 13 58
29 84 47 92 32 13 5.8 2.3 1.6 2.3 14 39 95
30 54   115 40 13 5.5 2.3 1.6 2.2 7.1 54 46
31 48   153   13   2.3 1.6   5.4   29